Members of Parliament’s Portfolio Committee on Electricity and Energy uniformly condemned the waste at the Department of ...

Essentially, it allows the water heater to get much hotter during times when solar energy is available, and lets it drop to lower values before running the heater on utility electricity during ...

The National Solar Water Heater Programme has squandered R324. 8 million on storage costs alone, with thousands of units left ...

In the case of low solar radiation, the intelligent system ... The company said the standard PV installation that should be coupled to the water heater is an array with four 375 W panels.

The details of the system are available in the study “Thermo-economic analysis of a solar district heating plant with an air-to-water heat pump,” published in Renewable Energy. This content is ...

Whether new build or retrofit, the application of solar thermal pre-heat is a well-established means of reducing the energy demands of domestic hot water (DHW) applications, offsetting operational ...

Hawai‘i Energy is increasing rebates for energy-efficient home upgrades through June 30, giving residents a chance to save more on their electricity bills. For a limited time, homeowners can receive ...